Method write

test/test.hpp:431–443

    }

    std::size_t
    write(
        bool more,
        char const* data,
        std::size_t size,
        system::error_code& ec)
    {
        auto const n = p_.write_some(
            more, data, size, ec);
        if(! ec && n < size)
            ec = error::extra_data;
        return n;
    }
};

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